Washington Lithic Material
Name | Natural | Non-heat treated points | Heat treated points | Color details | Primary found in: | Associated Formation / Member |
Addy Quartzite | Ranges from a grayish white to a yellowish gray or yellowish brown. | Northeastern Washington | Addy Quartzite Formation | |||
Adna Carnelian AKA: Salmon River Carnelian |
Ranges from a salmon pink to a deep red | Southwestern Washington | ||||
Agate Jasper | Ranges from yellow to brown or green. Part if the material will be banded and be translucent while the remaining material will be mottled and opaque. | Washington | ||||
Agnes Creek Obsidian | Black | North central Washington | ||||
Andesite Generic Type |
Washington | Varies | ||||
Basalt | Ranges from black to gray | Washington | Volcanic | |||
Bickleton Ridge Obsidian | Black | South central Washington | ||||
Briggs Jasper AKA: China Hollow Jasper, Dolphite Jasper |
Primarily brown with light to dark brown, yellow, tan, blue, or grayish brown "landscaping" patterns or lines bands and arcs. | South central Washington | John Day Formation | |||
Brown's Ranch Petrified Wood | Colors of brown to reddish brown and tan with quartz and bluish chalcedony inclusions. | Washington | ||||
Cataldo Quartzite | Lilac color when freshly fractures and oxidizes to a light gray. | East central Washington | Cataldo Member of the Belt Series | |||
Carnelian Generic Type |
Translucent and varies in shades from reddish brown to reddish orange. | Washington | Varies | |||
Chehalis Wood | Southwestern Washington | |||||
Chelan Butte Obsidian |
Greenish / bluish gray with abundant
phenocrysts |
Central Washington | ||||
Chewelah Argillite | Ranges from a silver white to shades of red and gray. | Northeastern Washington | Chewelah Formation | |||
Chuckanut Sandstone AKA: Huntingdon Sandston |
Golden tan | Northwestern Washington | Chuckanut Formation, Huntingdon Formation (British Columbia) | |||
Copper Ridge Obsidian | Black | Northwestern Washington | ||||
Dacite Generic Type |
Most commonly a light to dark gray or black | Washington | Varies | |||
Deep Lake Argillite | light to dark colored with interbedded bluish gray course to fine grain banding. | West central Washington | Deep Lake Formation | |||
Deschutes Jasper AKA: Dechutes Canyon Jasper |
Brown tones, but has tight banding not forming "landscape" patterns | South central Washington | ||||
Dollar Watch Pass Obsidian | Black | North central Washington | ||||
Elk Pass Obsidian | Black | Southwestern Washington | ||||
Ellensburg Blue
Chalcedony AKA: Crystal Mountain, Red Top Mountain, and Peoh Point Agate |
Ranges from a light sky blue to a cornflower blue. | West central Washington | ||||
Fryite Jasper | Shades of tans, grays, and blues. | Southeastern Washington | ||||
Hosko Obsidian AKA: Brooks Park, Brooks Memorial State Park Obsidian |
Black | South central Washington | ||||
Hozomeen Chert / Jasper | Commonly as banded, mottled but solid colors do occur ranging from dark gray to black, light gray to light bluish-gray or medium gray, pink, and white. | North central Washington | Hozomeen Series | |||
Hozomeen Jasper | Ranges from red to shades of reddish brown with white quartz veins forming a crisscross pattern. | North central Washington | Hozomeen Series | |||
Independence Chert | Ranges from a dark gray to black and commonly has red or rusty staining. | North central Washington | Independence Formation | |||
Indian Rock Obsidian | Black | South central Washington | ||||
Lake Corral Obsidian | Black | Southwestern Washington | ||||
Obsidian AKA: Volcanic Glass |
Black to black with bands of dark reds (mahogany obsidian) or white flakes (snowflake obsidian) | Washington | Volcanic | |||
Peshastin Chert | Black | East central Washington | Peshastin Formation | |||
Petrified Wood AKA: Agatized Wood, Opalized Wood |
Vary in color based on the minerals present during the process | Washington | Varies | |||
Princeton Chert AKA: Allenby Formation Chert |
North central Washington | Allenby Formation | ||||
Rhyolite | Gray to grayish black, flow banding may be present alternating from light to darker gray | Washington | Volcanic Activity | |||
Rocky Butte Jasper | Shades of brown, tans, pink, yellow, blue, and green | Southwestern Washington | ||||
Roosevelt Petrified Wood | White outer cortex with shades of white, tan and brown. Wood rings and grains are present. | South central Washington, | ||||
Saddle Mountain
Petrified Wood AKA: Lower Crab Creek Petrified Wood |
Shades of white, tan, brown and may have colors of a sky blue to a deep blue color. Rings and wood grain may be present. | Central Washington | Frenchman Springs Member Basalt Formation. | |||
Shoemaker Chert | Light colored buff, pink, gray and green. | North central Washington | Shoemaker Formation | |||
Springbrook Chert | Dark gray to black | North central Washington | Springbrook Formation | |||
Squaw Creek
Petrified Wood AKA: Badger Pocket Petrified Wood |
Shaded of tan and browns, less commonly shades of blue with wood grain and rings commonly present | Central Washington | Columbia River Basalts | |||
Status Creek Obsidian | Black | South central Washington | ||||
Sunnyside
Petrified Wood AKA: Rattlesnake Hills Petrified Wood |
White cortex with shades of white, tan, brown, gray, and black in the interior. | South central Washington | ||||
Tahoma Agate |
Shades of white, tan and brown.
|
North central Washington | ||||
Tamihy Quartzite | Ranges from dark charcoal gray to black. | Northwestern Washington, | ||||
Top of the World Chert | Mottled or irregular banding ranging from white to light or medium gray with dendritic inclusions being present. . | Northeastern Washington | Beaverfoot Formation | |||
Tuff AKA: Solidified Volcanic Ash |
Contains greater than 75 volcanic ash and ranges from white to tan, gray or pink. | Washington | Volcanic activity | |||
Vantage Petrified
Wood AKA: Ginko Petrified Wood, Whiskey Dick Petrified Wood |
Shaded of tan and browns with wood grain and rings commonly present. | South central Washington | Wanapum Basalt Formation | |||
Yakima Canyon Petrified Wood | White chalky cortex with shades of browns, tans, and whites. Wood grain and rings are commonly present | Central Washington | Grande Ronde Basalts | |||
Yakima Ridge Petrified Wood |
White chalky cortex with shades of browns, tans, and whites. Wood grain and rings are commonly present | Central Washington | Frenchman Springs Member of the Wanapum Basalt Formation |